EP3024675B1 - Federbein für ein fahrzeugrad sowie verfahren zu dessen steuerung - Google Patents

Federbein für ein fahrzeugrad sowie verfahren zu dessen steuerung Download PDF

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Publication number
EP3024675B1
EP3024675B1 EP14738473.9A EP14738473A EP3024675B1 EP 3024675 B1 EP3024675 B1 EP 3024675B1 EP 14738473 A EP14738473 A EP 14738473A EP 3024675 B1 EP3024675 B1 EP 3024675B1
Authority
EP
European Patent Office
Prior art keywords
suspension strut
piston
hydraulic pump
electric motor
hydraulic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14738473.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3024675A1 (de
Inventor
Jan KUHLENDAHL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP3024675A1 publication Critical patent/EP3024675A1/de
Application granted granted Critical
Publication of EP3024675B1 publication Critical patent/EP3024675B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
    • B60G11/16—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/061—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper with a coil spring being mounted inside the damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/027—Mechanical springs regulated by fluid means
    • B60G17/0272—Mechanical springs regulated by fluid means the mechanical spring being a coil spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/12—Cycles; Motorcycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/20—Speed
    • B60G2400/204—Vehicle speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/30—Height or ground clearance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/16—Running
    • B60G2800/164—Heaving; Squatting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/20—Stationary vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/20—Stationary vehicle
    • B60G2800/202—Stationary vehicle kneeling, e.g. for letting passengers on/off
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/90—System Controller type
    • B60G2800/91—Suspension Control
    • B60G2800/914—Height Control System
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/90—System Controller type
    • B60G2800/92—ABS - Brake Control

Definitions

  • the invention relates to a suspension strut for a vehicle wheel, in particular for a rear wheel of a motorcycle, with a spring base hydraulically adjustable via a piston. Furthermore, the invention relates to a method for controlling the shock absorber.
  • a method for controlling and / or regulating the spring and / or damper behavior of a spring damper device is also known from DE 10 2008 006 051 A1 known.
  • the spring base adjustment via a hook wrench or manually via a handwheel, wherein by a rotational movement a hydraulic encoder piston on a threaded spindle and the slave piston on which the spring is seated, are moved.
  • an electric motor acts on a worm gear which, via a threaded spindle, displaces the hydraulic transmitter piston and thus the hydraulic slave piston on which the spring is seated.
  • a suspension strut for a vehicle wheel according to claim 1 is provided
  • the hydraulic pump used in the invention is single-acting, wherein a single-acting hydraulic pump is advantageously able to build up a pressure on the piston and to maintain this over relatively long periods.
  • a 2-2-way valve is provided according to the invention, which is opened and closed via the electric motor. The 2-2-way valve can ensure the necessary tightness of the system.
  • the strut with an independent hydraulic pump can be formed, but it is also possible to integrate existing pressure generating systems, such as the ABS pump.
  • existing pressure generating systems such as the ABS pump.
  • the ABS pump is to be provided only with an additional pressure port. The control takes place in each case via the same control unit.
  • the invention also includes the method for adjusting the spring base of the strut, wherein it is provided that the regulated via the control unit Electric motor controls the hydraulic pump so that while a pressure acting on the piston for variable and predefinable adjustment of the spring base of the spring base is generated. About the controller, the corresponding signal is delivered to the electric motor, that an adjustment of the spring base is desired and given a direction of rotation. When using a rotating only in one direction electric motor, the direction of rotation is predetermined. The pressure on the piston, which in turn determines its position in the spring strut and thus the spring base, is determined via the electric motor and the associated action on the hydraulic pump.
  • the electric motor receives via a control unit driving state-dependent signals for controlling the hydraulic pump.
  • a control unit driving state-dependent signals for controlling the hydraulic pump.
  • a speed-dependent control and adjustment of the piston can be done, with predefined control programs can be stored in the control unit, for example, provide a lowering of the motorcycle in the state without the driver must request this again each time via a control knob.
  • FIG. 1 the hydraulic system (hydraulic plan) of the strut is shown, wherein on the piston 1 (slave piston) one of the hydraulic pump. 3 generated hydraulic pressure acts to adjust the spring base of the shock absorber.
  • the hydraulic pump 3 sucks hydraulic oil through a filter 10 from a tank 4 and forwards it directly to the piston 1.
  • the 2-2-way valve 5 is opened and closed by means of the electric motor 2.
  • the hydraulic pump 3 shown is designed to be single-acting and can thus maintain the pressure acting on the piston 1 independently of additional components.
  • Fig. 2 is an alternative, not belonging to the invention embodiment illustrated by a hydraulic plan.
  • the basic effect of the invention on the piston 1 is identical to the structure Fig. 1 , However, measures for pressure generation, pressure maintenance and sealing of the system are provided in alternative form.
  • a check valve 6 is provided, which is controlled via a diaphragm 8.
  • the limitation of the maximum pressure is achieved via a pressure limiting valve 7.
  • the structure of the shock absorber, in particular the piston 1 in the cylinder of the strut is not separately secure against the pressure prevailing in the system maximum pressure, since the components are designed for acting in the system hydraulic pressures.
  • the invention is not limited in its execution to the above-mentioned preferred embodiments. Rather, a number of variants is conceivable, which makes use of the illustrated solution even with fundamentally different types of use. For example, the adjustment can be integrated into an existing ABS pump.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Fluid-Damping Devices (AREA)
EP14738473.9A 2013-07-25 2014-07-08 Federbein für ein fahrzeugrad sowie verfahren zu dessen steuerung Active EP3024675B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013214540.3A DE102013214540A1 (de) 2013-07-25 2013-07-25 Federbein für ein Fahrzeugrad sowie Verfahren zu dessen Steuerung
PCT/EP2014/064529 WO2015010887A1 (de) 2013-07-25 2014-07-08 Federbein für ein fahrzeugrad sowie verfahren zu dessen steuerung

Publications (2)

Publication Number Publication Date
EP3024675A1 EP3024675A1 (de) 2016-06-01
EP3024675B1 true EP3024675B1 (de) 2018-03-21

Family

ID=51176371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14738473.9A Active EP3024675B1 (de) 2013-07-25 2014-07-08 Federbein für ein fahrzeugrad sowie verfahren zu dessen steuerung

Country Status (4)

Country Link
EP (1) EP3024675B1 (zh)
CN (1) CN105246715B (zh)
DE (1) DE102013214540A1 (zh)
WO (1) WO2015010887A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900019439A1 (it) 2019-10-21 2021-04-21 Vrm S P A Gruppo ammortizzatore ad altezza regolabile ed abbassamento veloce
JP7012758B2 (ja) 2020-02-03 2022-01-28 本田技研工業株式会社 車高調節装置
DE102020105270A1 (de) * 2020-02-28 2021-09-02 Thomas Magnete Gmbh Elektrohydraulische Versorgungseinrichtung für eine damit verbundene elektrohydraulische Radaufhängungsvorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10353025A1 (de) * 2003-11-13 2005-06-16 Daimlerchrysler Ag Federungssystem für ein Kraftfahrzeug
DE102009045051A1 (de) * 2009-09-28 2011-03-31 Zf Friedrichshafen Ag Verstellbares Federbein

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568101A (en) * 1984-05-02 1986-02-04 Harley-Davidson Motor Co., Inc. Automatic suspension system
JPH0281784A (ja) * 1988-09-16 1990-03-22 Honda Motor Co Ltd 自動二輪車等車両における車高調整方法
JP2544465Y2 (ja) * 1991-01-25 1997-08-20 カヤバ工業株式会社 車高調整装置
JPH06143969A (ja) * 1991-07-20 1994-05-24 Suzuki Motor Corp 車高調整装置
JPH05213255A (ja) * 1992-01-31 1993-08-24 Yamaha Motor Co Ltd 車高調整装置
DE19521746A1 (de) * 1995-06-14 1996-12-19 Bayerische Motoren Werke Ag Einrichtung zur Wankstabilisierung eines Fahrzeugs
DE19744757C2 (de) * 1997-10-10 2000-10-05 Mannesmann Sachs Ag Federaggregat für Kraftfahrzeuge
DE19922745A1 (de) 1999-05-18 2000-12-07 Bayerische Motoren Werke Ag Radaufhängungsvorrichtung für Motorräder
JP4410349B2 (ja) * 1999-09-22 2010-02-03 株式会社ショーワ 車高調整装置
DE10239140A1 (de) * 2002-08-27 2004-03-11 Bayerische Motoren Werke Ag Motorrad mit einer verstellbaren Hinterradschwinge zum Absetzen auf einem ausklappbaren Hauptständer
JP4563307B2 (ja) * 2005-11-29 2010-10-13 株式会社ショーワ 油圧緩衝器の懸架スプリング調整装置
DE102008006051B4 (de) 2008-01-25 2017-03-09 Bayerische Motoren Werke Aktiengesellschaft Feder-Dämpfersystem und Verfahren zur Steuerung oder Regelung des Feder- und/oder Dämpferverhaltens einer Feder-Dämpfereinrichtung eines einspurigen Kraftfahrzeugs
EP2368728B1 (en) * 2008-12-24 2015-04-22 Kayaba Industry Co., Ltd. Vehicle height adjusting device
AT507383B1 (de) * 2009-01-07 2010-12-15 Ernst Dipl Ing Zimmer Motorrad mit hoher fahrersitzposition
JP6021561B2 (ja) * 2012-09-28 2016-11-09 ヤマハ発動機株式会社 自動二輪車

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10353025A1 (de) * 2003-11-13 2005-06-16 Daimlerchrysler Ag Federungssystem für ein Kraftfahrzeug
DE102009045051A1 (de) * 2009-09-28 2011-03-31 Zf Friedrichshafen Ag Verstellbares Federbein

Also Published As

Publication number Publication date
CN105246715A (zh) 2016-01-13
CN105246715B (zh) 2018-01-19
EP3024675A1 (de) 2016-06-01
WO2015010887A1 (de) 2015-01-29
DE102013214540A1 (de) 2015-01-29

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